/*
 * Copyright 2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.wxmp.shell.standard;

import org.springframework.shell.standard.ShellComponent;
import org.springframework.shell.standard.ShellMethod;
import org.springframework.shell.table.ArrayTableModel;
import org.springframework.shell.table.BorderStyle;
import org.springframework.shell.table.CellMatcher;
import org.springframework.shell.table.SimpleHorizontalAligner;
import org.springframework.shell.table.SimpleVerticalAligner;
import org.springframework.shell.table.Table;
import org.springframework.shell.table.TableBuilder;
import org.springframework.shell.table.TableModel;

import java.util.Random;

@ShellComponent
public class TableCommands {
    
    private static final String TEXT = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt " +
            "ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco " +
            "laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in " +
            "voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat " +
            "non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
    
    public static CellMatcher at(final int theRow, final int col) {
        return (row, column, model) -> row == theRow && column == col;
    }
    
    @ShellMethod(value = "Showcase Table rendering", group = "Tables")
    public Table table() {
        String[][] data = new String[3][3];
        TableModel model = new ArrayTableModel(data);
        TableBuilder tableBuilder = new TableBuilder(model);
        
        Random r = new Random();
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                data[i][j] = TEXT.substring(0, TEXT.length() / 2 + r.nextInt(TEXT.length() / 2));
                tableBuilder.on(at(i, j)).addAligner(SimpleHorizontalAligner.values()[j]);
                tableBuilder.on(at(i, j)).addAligner(SimpleVerticalAligner.values()[i]);
            }
        }
        
        return tableBuilder.addFullBorder(BorderStyle.fancy_light).build();
    }
}
